<template>
  <view>
    
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="goToSearch"></my-search>
    </view>
    
    
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url=" '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
  </view>
</template>

<script>
  import tarbbarMix from '@/mixins/tabbar-badge.js'
  
  export default {
    mixins:[tarbbarMix],
    
    data() {
      return {
        //轮播图数据
        swiperList:[],
        //分类导航的数据列表
        navList:[]
      };
    },
    
    onLoad(){
      //获取轮播图数据
      this.getSwiperList()
      //获取分类导航数据
      this.getNavList()
    },
    
    methods:{
      //获取轮播图数据
      async getSwiperList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res)
        //请求失败的情况
        if(res.meta.status != 200){
          return uni.$showMsg()
        }
        //请求成功
        this.swiperList = res.message
      },
      
      //获取分类导航数据
      async getNavList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
        //请求失败的情况
        if(res.meta.status != 200){
          return uni.$showMsg()
        }
        //请求成功
        this.navList = res.message
      },
      
      //点击分类导航区域
      navClickHandler(item){
        if(item.name == '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      
      goToSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">

swiper{
  height:330 rpx;
  .swiper-item,image{
    width: 100%;
    height:100%;
  }
}

.nav-list{
  display:flex;
  justify-content: space-around;
  margin: 15px 0;
  
  .nav-img{
    width:128rpx;
    height:140rpx;
  }
}

.search-box{
  // 设置定位效果为吸顶
  position: sticky;
  // 吸顶的位置
  top:0;
  //提高层级防止轮播图覆盖搜索
  z-index:999
}

</style>
